SampleBlockFactory Class Reference

abstract base class with methods to produce SampleBlock objects More...

#include <SampleBlock.h>

Inheritance diagram for SampleBlockFactory:

Classes
struct	Factory
	Global factory of per-project factories of sample blocks. More...

Public Types
using	SampleBlockIDs = std::unordered_set< SampleBlockID >

Public Member Functions
virtual	~SampleBlockFactory ()
SampleBlockPtr	Create (constSamplePtr src, size_t numsamples, sampleFormat srcformat)
SampleBlockPtr	CreateSilent (size_t numsamples, sampleFormat srcformat)
SampleBlockPtr	CreateFromXML (sampleFormat srcformat, const AttributesList &attrs)
virtual SampleBlockIDs	GetActiveBlockIDs ()=0

Static Public Member Functions
static SampleBlockFactoryPtr	New (AudacityProject &project)

Protected Member Functions
virtual SampleBlockPtr	DoCreate (constSamplePtr src, size_t numsamples, sampleFormat srcformat)=0
virtual SampleBlockPtr	DoCreateSilent (size_t numsamples, sampleFormat srcformat)=0
virtual SampleBlockPtr	DoCreateFromXML (sampleFormat srcformat, const AttributesList &attrs)=0

Detailed Description

abstract base class with methods to produce SampleBlock objects

Definition at line 109 of file SampleBlock.h.

Member Typedef Documentation

SampleBlockIDs

using SampleBlockFactory::SampleBlockIDs = std::unordered_set<SampleBlockID>

Definition at line 137 of file SampleBlock.h.

Constructor & Destructor Documentation

~SampleBlockFactory()

SampleBlockFactory::~SampleBlockFactory ( )

virtualdefault

Member Function Documentation

Create()

SampleBlockPtr SampleBlockFactory::Create	(	constSamplePtr	src,
		size_t	numsamples,
		sampleFormat	srcformat
	)

Definition at line 26 of file SampleBlock.cpp.

{
   auto result = DoCreate(src, numsamples, srcformat);
   if (!result)
      THROW_INCONSISTENCY_EXCEPTION;
   return result;
}

References DoCreate(), and THROW_INCONSISTENCY_EXCEPTION.

Referenced by anonymous_namespace{Sequence.cpp}::ShareOrCopySampleBlock().

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CreateFromXML()

SampleBlockPtr SampleBlockFactory::CreateFromXML	(	sampleFormat	srcformat,
		const AttributesList &	attrs
	)

Definition at line 46 of file SampleBlock.cpp.

{
   auto result = DoCreateFromXML(srcformat, attrs);
   if (!result)
      THROW_INCONSISTENCY_EXCEPTION;
   return result;
}

References DoCreateFromXML(), and THROW_INCONSISTENCY_EXCEPTION.

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CreateSilent()

SampleBlockPtr SampleBlockFactory::CreateSilent	(	size_t	numsamples,
		sampleFormat	srcformat
	)

Definition at line 36 of file SampleBlock.cpp.

{
   auto result = DoCreateSilent(numsamples, srcformat);
   if (!result)
      THROW_INCONSISTENCY_EXCEPTION;
   return result;
}

References DoCreateSilent(), and THROW_INCONSISTENCY_EXCEPTION.

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DoCreate()

virtual SampleBlockPtr SampleBlockFactory::DoCreate ( constSamplePtr  src, size_t  numsamples, sampleFormat  srcformat  )

protectedpure virtual

Implemented in SqliteSampleBlockFactory.

Referenced by Create().

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DoCreateFromXML()

virtual SampleBlockPtr SampleBlockFactory::DoCreateFromXML ( sampleFormat  srcformat, const AttributesList &  attrs  )

protectedpure virtual

Implemented in SqliteSampleBlockFactory.

Referenced by CreateFromXML().

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DoCreateSilent()

virtual SampleBlockPtr SampleBlockFactory::DoCreateSilent ( size_t  numsamples, sampleFormat  srcformat  )

protectedpure virtual

Implemented in SqliteSampleBlockFactory.

Referenced by CreateSilent().

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GetActiveBlockIDs()

virtual SampleBlockIDs SampleBlockFactory::GetActiveBlockIDs ( )

pure virtual

Returns

ids of all sample blocks created by this factory and still extant

Implemented in SqliteSampleBlockFactory.

New()

SampleBlockFactoryPtr SampleBlockFactory::New ( AudacityProject &  project )

static

Definition at line 16 of file SampleBlock.cpp.

{
   auto &factory = Factory::Get();
   if ( ! factory )
      THROW_INCONSISTENCY_EXCEPTION;
   return factory( project );
}

References cloud::factory, GlobalVariable< Factory, const std::function< SampleBlockFactoryPtr(AudacityProject &) >, Options... >::Get(), and THROW_INCONSISTENCY_EXCEPTION.

Referenced by BenchmarkDialog::OnRun().

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The documentation for this class was generated from the following files:

• SampleBlock.h
• SampleBlock.cpp